Refactored hook handlers in mod_privacy

[pawlooss1]

This PR changes all hook handlers in mod_privacy module to gen_hook format.

[codecov]

Codecov Report

Base: 83.13% // Head: 83.13% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (773749e) compared to base (caab05d).
Patch coverage: 95.45% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3876      +/-   ##
==========================================
- Coverage   83.13%   83.13%   -0.01%     
==========================================
  Files         535      535              
  Lines       34199    34197       -2     
==========================================
- Hits        28432    28428       -4     
- Misses       5767     5769       +2     

Impacted Files	Coverage Δ
src/privacy/mod_privacy.erl	85.47% <92.85%> (-0.49%)	⬇️
src/mongoose_hooks.erl	96.02% <100.00%> (+0.05%)	⬆️
src/mam/mod_mam_muc_rdbms_arch_async.erl	82.85% <0.00%> (-2.86%)	⬇️
src/rdbms/mongoose_rdbms.erl	65.26% <0.00%> (-1.06%)	⬇️
src/muc_light/mod_muc_light_db_mnesia.erl	91.57% <0.00%> (-1.06%)	⬇️
src/mod_roster.erl	78.70% <0.00%> (-0.48%)	⬇️
src/mod_muc_log.erl	62.82% <0.00%> (ø)
src/pubsub/mod_pubsub_db_rdbms.erl	95.34% <0.00%> (+0.25%)	⬆️
src/inbox/mod_inbox_rdbms_async.erl	73.52% <0.00%> (+1.47%)	⬆️
src/pubsub/node_pep.erl	79.62% <0.00%> (+1.85%)	⬆️
... and 1 more

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[mongoose-im]

small_tests_24 / small_tests / 773749e
Reports root / small

---

small_tests_25 / small_tests / 773749e
Reports root / small

---

ldap_mnesia_24 / ldap_mnesia / 773749e
Reports root/ big
OK: 2167 / Failed: 0 / User-skipped: 818 / Auto-skipped: 0

---

dynamic_domains_pgsql_mnesia_24 / pgsql_mnesia / 773749e
Reports root/ big
OK: 4116 / Failed: 0 / User-skipped: 88 / Auto-skipped: 0

---

dynamic_domains_mysql_redis_25 / mysql_redis / 773749e
Reports root/ big
OK: 4090 / Failed: 0 / User-skipped: 114 / Auto-skipped: 0

---

ldap_mnesia_25 / ldap_mnesia / 773749e
Reports root/ big
OK: 2167 / Failed: 0 / User-skipped: 818 / Auto-skipped: 0

---

dynamic_domains_pgsql_mnesia_25 / pgsql_mnesia / 773749e
Reports root/ big
OK: 4116 / Failed: 0 / User-skipped: 88 / Auto-skipped: 0

---

dynamic_domains_mssql_mnesia_25 / odbc_mssql_mnesia / 773749e
Reports root/ big
OK: 4116 / Failed: 0 / User-skipped: 88 / Auto-skipped: 0

---

pgsql_mnesia_24 / pgsql_mnesia / 773749e
Reports root/ big
OK: 4490 / Failed: 0 / User-skipped: 97 / Auto-skipped: 0

---

internal_mnesia_25 / internal_mnesia / 773749e
Reports root/ big
OK: 2309 / Failed: 0 / User-skipped: 676 / Auto-skipped: 0

---

elasticsearch_and_cassandra_25 / elasticsearch_and_cassandra_mnesia / 773749e
Reports root/ big
OK: 2662 / Failed: 0 / User-skipped: 662 / Auto-skipped: 0

---

mysql_redis_25 / mysql_redis / 773749e
Reports root/ big
OK: 4476 / Failed: 0 / User-skipped: 111 / Auto-skipped: 0

---

riak_mnesia_24 / riak_mnesia / 773749e
Reports root/ big
OK: 2503 / Failed: 0 / User-skipped: 651 / Auto-skipped: 0

---

pgsql_mnesia_25 / pgsql_mnesia / 773749e
Reports root/ big
OK: 4501 / Failed: 1 / User-skipped: 97 / Auto-skipped: 0

pep_SUITE:pep_tests:unsubscribe_after_presence_unsubscription

{error,
  {{badmatch,
     [{xmlel,<<"message">>,
        [{<<"from">>,
        <<"alice_unsubscribe_after_presence_unsubscription_2826@localhost">>},
         {<<"to">>,
        <<"bob_unsubscribe_after_presence_unsubscription_2826@localhost/res1">>},
         {<<"type">>,<<"headline">>}],
        [{xmlel,<<"event">>,
           [{<<"xmlns">>,
           <<"http://jabber.org/protocol/pubsub#event">>}],
           [{xmlel,<<"items">>,
            [{<<"node">>,<<"dxfgfTXMwe62L1mNAbEMwg==">>}],
            [{xmlel,<<"item">>,
               [{<<"id">>,<<"salmon">>}],
               [{xmlel,<<"entry">>,
                  [{<<"xmlns">>,
                  <<"http://www.w3.org/2005/Atom">>}],
                  []}]}]}]},
         {xmlel,<<"headers">>,
           [{<<"xmlns">>,<<"http://jabber.org/protocol/shim">>}],
           []}]}]},
   [{pep_SUITE,'-unsubscribe_after_presence_unsubscription/1-fun-0-',2,
      [{file,"/home/circleci/project/big_tests/tests/pep_SUITE.erl"},
       {line,384}]},
    {escalus_story,story,4,
      [{file,
         "/home/circleci/project/big_tests/_build/default/lib/escalus/src/escalus_story.erl"},
       {line,72}]},
    {test_server,ts_tc,3,[{file,"test_server.erl"},{line,1782}]},
    {test_server,run_test_case_eval1,6,
      [{file,"test_server.erl"},{line,1291}]},
    {test_server,run_test_case_eval,9,
      [{file,"test_server.erl"},{line,1223}]}]}}

Report log

---

mssql_mnesia_25 / odbc_mssql_mnesia / 773749e
Reports root/ big
OK: 4490 / Failed: 0 / User-skipped: 97 / Auto-skipped: 0

[chrzaszcz]

Looks good. The types are a bit verbose but I guess it's better to be precise with hooks because of how they are executed.